Home / 7,690.07-11,492.96-5,614.44

Finding the Fourth Proportional to 7,690.07, 11,492.96 and 5,614.44

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Solution

The fourth proportional to 7,690.07, 11,492.96 and 5,614.44 is: 8,390.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,690.07 : 11,492.96 = 5,614.44 : x
  2. Step 2: Convert to fraction form
    7,690.07/11,492.96 = 5,614.44/x
  3. Step 3: Cross multiply
    7,690.07x = 11,492.96 × 5,614.44
  4. Step 4: Simplify right side
    7,690.07x = 64,526,559.40
  5. Step 5: Solve for x
    x = 64,526,559.40/7,690.07
  6. Step 6: Final answer
    x = 8,390.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.